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Black and white photo of the Andromeda galaxy. A bright central bulge is surrounded by a fainter spiral with dark dust lanes. The background is full of stars and other, smaller galaxies.

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https://files.mastodon.social/media_attachments/files/111/666/308/302/093/220/original/ffa5d2adceac0fdf.jpeg

Notices where this attachment appears

  1. Robert McNees (mcnees@mastodon.social)'s status on Friday, 29-Dec-2023 23:30:52 UTC Robert McNees Robert McNees

    The first known photo of the Andromeda galaxy, at the time thought to be a nebula, was taken by astronomer Isaac Roberts OTD in 1888.

    The image, captured with his 20" reflector, reveals a clear spiral structure. But scientists assumed M31 was a gas cloud within our galaxy.

    Image: Isaac Roberts

    In conversation about a year ago from mastodon.social permalink
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Chirp! is a social network. It runs on GNU social, version 2.0.1-beta0, available under the GNU Affero General Public License.

Creative Commons Attribution 3.0 All Chirp! content and data are available under the Creative Commons Attribution 3.0 license.